SupportsUserData and manifest handlers for Extension; use them for the Omnibox API.

chrome/browser/extensions/api/omnibox/omnibox_apitest.cc

Index: chrome/browser/extensions/api/omnibox/omnibox_apitest.cc
diff --git a/chrome/browser/extensions/api/omnibox/omnibox_apitest.cc b/chrome/browser/extensions/api/omnibox/omnibox_apitest.cc
index 1ba2f4b2d3c3fb02104d09282f838d679c9e564e..8fb68e9213a4134471d90e922d34aa3d62288c5e 100644
--- a/chrome/browser/extensions/api/omnibox/omnibox_apitest.cc
+++ b/chrome/browser/extensions/api/omnibox/omnibox_apitest.cc
@@ -67,7 +67,7 @@ class OmniboxApiTest : public ExtensionApiTest {
   }
 };
 
-IN_PROC_BROWSER_TEST_F(OmniboxApiTest, DISABLED_Basic) {
+IN_PROC_BROWSER_TEST_F(OmniboxApiTest, Basic) {
   ASSERT_TRUE(RunExtensionTest("omnibox")) << message_;
 
   // The results depend on the TemplateURLService being loaded. Make sure it is
@@ -182,7 +182,7 @@ IN_PROC_BROWSER_TEST_F(OmniboxApiTest, DISABLED_Basic) {
 // Tests that the autocomplete popup doesn't reopen after accepting input for
 // a given query.
 // http://crbug.com/88552
-IN_PROC_BROWSER_TEST_F(OmniboxApiTest, DISABLED_PopupStaysClosed) {
+IN_PROC_BROWSER_TEST_F(OmniboxApiTest, PopupStaysClosed) {
   ASSERT_TRUE(RunExtensionTest("omnibox")) << message_;
 
   // The results depend on the TemplateURLService being loaded. Make sure it is